Printer s chase



(No Model.)

J. B. MOREAU, Jr.

PRINTBRS CHASE. No. 270,969. Patented Ja.11.23,1883.

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UNITED STATES PATENT OFFICE.

JOHN B. MOREAVU, JR., OF FREEHOLD, NEW JERSEY.

PRINTERS CHASE.

SPECIFICATION forming part of Letters Patent No. 270,969, dated January 23, 1883.

Application filed July 29, 1882. (No model.) I

l and exact description thereof, reference being had to theaccompanying drawings, and to the letters of reference marked thereon, making a part of this specification.

My invention relates to the construction of chases for printers7 use, and has for its object v facilitating the locking of the form therein.

It consists in the combination of cam-levers pivoted in slotted seats formed in one side and end of the chase with locking-sticks grooved longitudinally on one side to receive and be engaged by the eccentric end of the levers, adapted to tit therein and to push the same forward.

ln the accompanying drawings, Figure l is a plan view of a printers chase constructed in pursuance of my invention, and Fig. 2 is a 'section in line fr w of Fig. l with one of the locking-sticks removed.

A A is the frame of the chase, made solid and heavy in the customary manner. The edge of the frame upon one side and end is rabbeted, forming au oset, b, along the entire length thereof, and rectangular slots c c are-cut through from the outer to the inner face of the side and end on the plane of the projecting flange of the rabbet and about midway between the center of the end and side respectively and the corners of the frame. Within these slots are pivoted, by means of transverse pivot-screws, cam-levers D l),whose arms are adapted to turn and close partially into the slots when the chase in unlocked. (See Fig. l.) The outerextremity of each arm is fitted with a knob or pin,f, projecting from the upper side thereof, so as to bear against the shoulder of the rabbet when the arm is turned into its seat in the slot, and serve as a stop to its further movement in that direction, and as a handle by means whereof the arm of the lever is drawn out to produce its locking movement. In thus drawing the end of the lever out from the frame, its cam-head e is thrown inward and engages the side of the locking-stick G. The side of the locking-stick is grooved centrally and longitudinally to receive the cam c, so that the stick is thereby held down and locked in place as it is forced forward.

In the use of myvinvention the form to be locked in the chase is blocked until the locking-sticks G G are ih contact, or nearly so,with the cams e. The camlevers are then pulled out and thrown over, lso that the cams shall operate with powerful pressure upon the sticks to force them inward, and thus completely lock the form, the diplacementof thelocking-sticks being prevented by the engagement of the cams with the longitudinal slots therein.

In applying my invention to galleys, one of the side bars of the galley-frame is slotted to receive the cams and the grooved lockingstcks, adapted to be engaged by the cams, are tted in the galley next to said cam, the form placed in the galley being locked and secured byJ a movement of the cam-levers, in manner as above described.

I claim as my invention- Theeombination, in a printers chase, of the cam-levers D and cams e, pivoted eccentrically in slots in the frame thereof, in combination with the detached locking-sticks G, grooved longitudinally to receive and be engaged by the cams, substantially in the manner and for the purpose herein set forth.

In testimony whereofI have signed 'my name to this specification in the presence of two subscribing witnesses.

JOHN B. MOREAU, Jn.

Witnesses:

JAMES S. YARD, A. C. HART. 

